//
//  HelloWorldViewController.h
//  HelloWorld
//
//  Created by Kai Wang on 11/1/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface HelloWorldViewController : UIViewController<UITextFieldDelegate> {
    
    UITextField *textField;
    UILabel *label;
    NSString *userName;
}
- (IBAction)changeGreeting:(id)sender;
@property (nonatomic, retain) IBOutlet UITextField *textField;
@property (nonatomic, retain) IBOutlet UILabel *label;
@property (nonatomic, copy) NSString *userName;

@end
